SOLID WASTE MANAGEMENT. Objectives: Identify the methods of disposing of waste. Distinguish between reduce, reusing, and recycling. Recall how we followed the life cycle of electricity from coal to our homes. 1. Each step of the way produced wastes.
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Identify the methods of disposing of waste.
Distinguish between reduce, reusing, and recycling.
1. Each step of the way produced wastes.
2. Some of those wastes were released into the atmosphere or water causing pollution. (They are essentially unrecoverable).
3. Other wastes are recovered and they can be: reused, recycled or disposed.
* Equal to 5 lbs of waste per person per day in the U.S.
MSW is disposed of in different ways.
(Some landfills capture the gas and use it to supply energy.)
Reduces volume of trash by 90%.
Reduces mass of trash by 75%
Destroys harmful bacteria and chemicals.
Can generate electricity.
Can pollute the air.
Needs energy to burn. (in most cases, the energy generated is more than enough to support the plant)6. Combustion of trash - To free up landfill space, many communities burn their trash.
Unused or older building supplies or furniture can be reused. (Construction Junction in Pgh.)
Gently used toys, furniture, clothes and household items can be donated to the Salvation Army or Goodwill to help support their mission.